Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Glenn Roger Johnson, PHD

Individual provider Clinical Psychologist · NPI 1609909829

Dr. Glenn Roger Johnson, PHD is a Clinical Psychologist in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

256 Concord Ave
Cambridge, MA 02138-1337
Phone: (617) 661-6098
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1986 (MA)

Record details

NPI number1609909829
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 14, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Cambridge